This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A323538 #9 Jan 17 2019 09:22:13 %S A323538 1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,676788847291127500630565286687890625, %T A323538 224202413239751513418389758669186941328125000, %U A323538 81789054189516490351294844356948943677175390625000000,29455964980491136378751203264203423123185624125549245000000000 %N A323538 a(n) = Product_{k=1..n} (binomial(k-1,8) + binomial(n-k,8)). %F A323538 a(n) ~ exp(-8*n + (2*sqrt(2+sqrt(2)) - 1/2 - sqrt(2))*Pi*(n-8)) * n^(8*n) / (8!)^n. %t A323538 Table[Product[Binomial[k-1,8] + Binomial[n-k,8], {k, 1, n}], {n, 0, 20}] %o A323538 (PARI) a(n) = prod(k=1, n, binomial(k-1, 8)+binomial(n-k, 8)) \\ _Felix Fröhlich_, Jan 17 2019 %Y A323538 Cf. A000581, A323425, A323496, A323497, A323533, A323534, A323535. %K A323538 nonn %O A323538 0,17 %A A323538 _Vaclav Kotesovec_, Jan 17 2019